.banner {
  width: 100%;
  height: 250px;
  position: relative;
}
.banner img {
  width: 100%;
  height: 100%;
}
.banner .btn {
  background: url(../img/return.png) no-repeat;
  width: 24px;
  height: 24px;
  background-size: 100% 100%;
  position: absolute;
  top: 20px;
  left: 10px;
}
.list_1 {
  padding-top: 15px;
  margin-bottom: 50px;
}
.list_1 .centent {
  width: 95%;
  margin: 0 auto;
  background-color: #fff;
  padding: 15px;
  box-sizing: border-box;
}
.list_1 .centent .logo {
  width: 120px;
  height: auto;
  margin-left: 15px;
}
.list_1 .centent p {
  text-indent: 2em;
  font-weight: bold;
  font-size: 14px;
  line-height: 2;
  margin-top: 15px;
}
.list_1 .centent .list {
  margin-top: 15px;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
}
.list_1 .centent .list li {
  width: 31%;
  display: flex;
  align-items: center;
  flex-direction: column;
}
.list_1 .centent .list li p {
  text-indent: 0;
}
.list_1 .centent .list li p:nth-child(2) {
  font-size: 12px;
  text-indent: 0;
}
